Property, Plant and Equipment and Leasehold Intangibles, Net - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	$ 8,942,397	$ 8,347,406
Accumulated depreciation and amortization	(4,347,996)	(4,016,777)
Property, plant and equipment and leasehold intangibles, net	4,594,401	4,330,629
Depreciation and amortization expense for plant and equipment and leasehold intangibles	357,800	342,700	$ 347,400
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	532,719	500,649
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	5,667,855	5,348,133
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	1,182,026	1,111,408
Resident in-place lease intangibles
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	281,041	282,411
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	32,965	33,905
Assets under financing leases and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	$ 1,245,791	$ 1,070,900